Brembo Motorcycle RCS Corsacorta RR Brake Master Cylinder 110E71110Brake master cylinder 110E71110 peerless controllability The "RCS corsacorta RR" Race Replica, machined from billet, is the next evolution of the radial brake master cylinder and the closest to those used in racing. The black finish achieved through hard oxidation confers remarkable wear resistance and smooth running of the components, while the float and seals are the same as those used in MotoGP. Like the RCS corsacorta, the stroke can be varied in